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Glycol ethers are designated "E-series" or "P-series" for those made from ethylene oxide or propylene oxide, respectively.Typically, E-series glycol ethers are found in pharmaceuticals, sunscreens, cosmetics, inks, dyes and water-based paints, while P-series glycol ethers are used in degreasers, cleaners, aerosol paints and adhesives.
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
Dipropylene glycol is a mixture of three isomeric chemical compounds, 4-oxa-2,6-heptandiol, 2-(2-hydroxy-propoxy)-propan-1-ol, and 2-(2-hydroxy-1-methyl-ethoxy)-propan-1-ol. It is a colorless, nearly odorless liquid with a high boiling point and low toxicity .
Diethylene glycol butyl ether (2-(2-butoxyethoxy)ethanol) is the organic compound with the formula C 4 H 9 OC 2 H 4 OC 2 H 4 OH. A colorless liquid, it is common industrial solvent. It is one of several glycol ether solvents. It has low odour and high boiling point.
n-Butyl glycidyl ether is an industrial chemical used in adhesives, sealants, and as a paint or coating additive. It is principally used to reduce the viscosity of epoxy resin systems. [ 4 ]
Di(propylene glycol) methyl ether is an organic solvent with a variety of industrial and commercial uses. [2] [3] It finds use as a less volatile alternative to propylene glycol methyl ether and other glycol ethers. The commercial product is typically a mixture of four isomers. [4]
There are a number of variations depending on the starting molecular weight of the polypropylene glycol. [1] They have the formula (C 3 H 6 O) n.C 6 H 10 O 3 [2] and the IUPAC name is Poly[oxy(methyl-1,2-ethanediyl)],a-(2-oxiranylmethyl)-w-(2-oxiranylmethoxy)- [3] A key use is as a modifier for epoxy resins as a reactive diluent and flexibilizer.
As is typical of ethers, dipropyl ether may slowly form explosive organic peroxides over long periods in storage. [2] Antioxidants such as butylated hydroxytoluene are often added to ethers to prevent this process. [4] Due to the shock and light sensitive nature of organic peroxides, dipropyl ether should never be boiled or evaporated to dryness.